ShadowA to Today I learned@lemmy.ml · 9 months agoTIL some cities (like NYC) pump nitrogen into their phone lines to keep water out.hackaday.comexternal-linkmessage-square11fedilinkarrow-up1150arrow-down12
arrow-up1148arrow-down1external-linkTIL some cities (like NYC) pump nitrogen into their phone lines to keep water out.hackaday.comShadowA to Today I learned@lemmy.ml · 9 months agomessage-square11fedilink
Hashtag N two.